package com.atshangluo.servicebase.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.web.bind.annotation.CrossOrigin;

import java.time.Duration;

/**
 * @author admin
 * @version 1.0.0
 * @ClassName RedisConfig.java
 * @Description TODO
 * @createTime 2021年07月30日 18:21:00
 */
@EnableCaching  // 开启缓存
@Configuration
public class RedisConfig extends CachingConfigurerSupport {

    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {

        RedisTemplate<String, Object> template = new RedisTemplate<>();

        RedisSerializer<String> redisSerializer = new StringRedisSerializer();

        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);

        ObjectMapper om = new ObjectMapper();

        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);

        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);

        jackson2JsonRedisSerializer.setObjectMapper(om);

        template.setConnectionFactory(factory);

        //key序列化方式

        template.setKeySerializer(redisSerializer);

        //value序列化

        template.setValueSerializer(jackson2JsonRedisSerializer);

        //value hashmap序列化

        template.setHashValueSerializer(jackson2JsonRedisSerializer);

        return template;

    }

    @Bean
    public CacheManager cacheManager(RedisConnectionFactory factory) {

        RedisSerializer<String> redisSerializer = new StringRedisSerializer();

        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);

        //解决查询缓存转换异常的问题

        ObjectMapper om = new ObjectMapper();

        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);

        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);

        jackson2JsonRedisSerializer.setObjectMapper(om);

        // 配置序列化（解决乱码的问题）,过期时间600秒

        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()

                .entryTtl(Duration.ofSeconds(600))
                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer))

                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer))

                .disableCachingNullValues();

        RedisCacheManager cacheManager = RedisCacheManager.builder(factory)

                .cacheDefaults(config)

                .build();

        return cacheManager;

    }

}
